<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta content="text/html";charset="utf-8">
    <title>标签</title>
</head>
<body>
<iframe src="//player.bilibili.com/player.html?aid=331637164&bvid=BV1yA411T7Nc&cid=298197620&page=1"
        scrolling="no"
        border="0"
        frameborder="no"
        framespacing="0"
        allowfullscreen="true">
</iframe>
<iframe src="https://www.baidu.com" frameborder="0" name="mainFrame" width="800px" height="1000px"></iframe>

<!--通过a标签往iframe里加东西-->
<iframe src="" frameborder="0" name="hello" width="800px" height="1000px"></iframe>
<a href="https://www.bilibili.com/" target="hello">点击我跳转到B站</a>
</body>
</html>
